Stench Gas Systems. MineARC Stench Gas is an emergency alert system, designed to suit noisy locations where alarms cannot be heard.

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1 Stench Gas Systems MineARC Stench Gas is an emergency alert system, designed to suit noisy locations where alarms cannot be heard. MineARC s Electric Stench Gas System SCAN TO DOWNLOAD BROCHURE Emergency refuge chambers and ancillary mining products MA

Our team of qualified engineers, electrical designers and technical experts form a global network across five international locations including; Perth, Western Australia Johannesburg, South Africa

All MineARC Refuge Chambers and Safe Havens comply with the highest international regulations and recognised world s best practice industry guidelines.

2 Companyy Profile MineARC Systems is the global leader in the manufacture and supply of emergency safe refuge solutions for the mining, tunnelling, chemical processing and disaster relief industries. With over 15 years experience, our dedication to ongoing research and development is driven by our key focus to continually offer the best and most advanced safety solutions on the market. Our team of qualified engineers, electrical designers and technical experts form a global network across five international locations including; Perth, Western Australia Johannesburg, South Africa Dallas, Texas Santiago, Chile Beijing, China This allows MineARC to provide 24 hour service and engineering support to our expanding list of clients in over 40 countries across the globe. All MineARC Refuge Chambers and Safe Havens comply with the highest international regulations and recognised world s best practice industry guidelines. Our key focus on quality control and product advancement has meant that MineARC Refuge Chambers have successfully saved lives in multiple real life industrial emergencies around the globe. Bureau Veritas ISO 9001:2008 Quality Management Systems ISO 9001 Quality Rating 2 MineARC Systems

3 MineARC Stench Gas Systems Stench gas is commonly used in underground ventilation systems as an alert gas for emergency evacuations. The powerful odour can be quickly dispersed throughout an underground mine to alert workers of impending danger. The MineARC Stench Gas System is designed to suit noisy locations where alarms cannot be heard. Available in either a manual or remotely operated electric configuration, the unit will send a clear and definitive odour in the event of an emergency, indicating the initiation of emergency response procedures. MineARC also provides anti-stench and wintergreen units, used to neutralise the pungent smell of stench gas once the all-clear has been given, allowing production to re-commence quickly. 3

Manual yp Stench Gas System MineARC s standard manual stench gas unit comprises a set of twin gas cylinders housed within a durable

The stench gas cylinders are manually activated via gas release valves on the top of the exterior housing.

SG-M-ST STANDARD FEATURES Easy installation Dispersion line venting 10m (33ft) from your location Two 1L stench gas cylinders (100g

Powder coated red in accordance with ANSI Z535.

valves Mounting brackets with slotted holes STENCH GAS MineARC Stench Gas cylinders carry 100g of Ethyl Mercaptan, a colourless

4 Manual yp Stench Gas System MineARC s standard manual stench gas unit comprises a set of twin gas cylinders housed within a durable steel cabinet with reflective signage, designed specifically for harsh underground conditions. The stench gas cylinders are manually activated via gas release valves on the top of the exterior housing. Pressure gauges indicate successful release of the gas. SG-M-ST STANDARD FEATURES Easy installation Dispersion line venting 10m (33ft) from your location Two 1L stench gas cylinders (100g Ethyl Mercaptan & R134A Propellent) Independent operation of cylinders Steel housing with reflective signage and viewing window Powder coated red in accordance with ANSI Z535.1 Pressure gauge to indicate gas levels Stainless steel pipework and valving Tamper proof tags Simple operation via gas release valves Mounting brackets with slotted holes STENCH GAS MineARC Stench Gas cylinders carry 100g of Ethyl Mercaptan, a colourless organic liquid with a strong odour that, when added to an odourless gas, acts as a pungent warning agent. One MineARC Stench Gas Unit is effective in odourising approximately 1.25 million cubic metres of air throughout an underground mine, operating within a temperature range of 1 C to 54 C. MineARC Stench Gas is a non-flammable substance. 4 MineARC Systems

Manual Standard Features NOT PICTURED: TAMPER PROOF TAGS MOUNTING BRACKETS GAS RELEASE VALVE Independent operation of cylinders VIEWING WINDOW PRESSURE

5 Manual Standard Features NOT PICTURED: TAMPER PROOF TAGS MOUNTING BRACKETS GAS RELEASE VALVE Independent operation of cylinders VIEWING WINDOW PRESSURE GAUGES TWIN GAS CYLINDERS 1L cylinders 100g Ethyl Mercaptan & R134A Propellant Non-flammable REFLECTIVE SIGNAGE STEEL HOUSING Red powder coating ANSI Z

Electric yp Stench Gas System The electric stench gas system is MineARC's premium range, comprising a twin cylinder stench

of an emergency, removing the need for local activation.

gas. A low voltage (24 V dc / 0.9 A) connection is used to control the gas release valve.

Redundancy is ensured by a manual gas release valve and analogue gauge, allowing the unit to be operated without power.

9A) connection to drive automatic gas release valve 4-20mA signals provided from pressure sensors Dispersion line venting

6 Electric yp Stench Gas System The electric stench gas system is MineARC's premium range, comprising a twin cylinder stench gas unit and a sub-controller that can be connected through to an existing mine control system or to the optional MineARC Stench Gas Master Controller. This fully electrical system allows for safe, remote operation of the stench gas units via the sub-controller in the event of an emergency, removing the need for local activation. SG-EL-MC STENCH GAS UNIT SG-EL-SC SG-EL-ST SG-EL-AS The electric stench gas unit (ESGU) allows the remote release of stench gas. A low voltage (24 V dc / 0.9 A) connection is used to control the gas release valve. Activation status can be remotely monitored via 4-20 ma signals from local pressure sensors. Redundancy is ensured by a manual gas release valve and analogue gauge, allowing the unit to be operated without power. Electrical connections are made via a multipole plug with IP66 rating when mated. 24V dc (0.9A) connection to drive automatic gas release valve 4-20mA signals provided from pressure sensors Dispersion line venting 10m (33ft) from your location Two 1L stench gas cylinders (100g Ethyl Mercaptan & R134 Propellent) IP66 rated steel housing with reflective signage and viewing window Powder coated red in accordance with ANSI Z535.1 Gas release valve & mechanical pressure gauge to locally operate unit if required Stainless steel pipework and valving Tamper proof tags Mounting brackets 6 MineARC Systems

Electric System Components SUB-CONTROLLER The electric sub-controller allows for safe, remote operation of the stench gas units in the event of an emergency, removing the need for local activation.

Drives up to two electric stench gas (ESGU) or anti-stench gas units (EASGU) Operates as a network node Converts networked commands for gas release into a 24 V dc power signal to the valve inside the

release of gas Optional uninterruptible power supply (UPS), with enough capacity to keep the unit operational for at least 8 hours Housed in an IP66 rated (dust and water resistant) steel unit

The touch screen Human Machine Interface (HMI) provides an intuitive, easy to use method of remotely monitoring and activating your mine site s entire electric stench gas system.

It is housed within an IP66 rated stainless steel unit. The master controller constantly monitors your entire network, providing you with real-time system data.

7 Electric System Components SUB-CONTROLLER The electric sub-controller allows for safe, remote operation of the stench gas units in the event of an emergency, removing the need for local activation. The MineARC Electric Sub-Controller is capable of connection to most commonly used mine site control systems. Alternatively the sub-controller can be hooked up to the MineARC Master Controller. Drives up to two electric stench gas (ESGU) or anti-stench gas units (EASGU) Operates as a network node Converts networked commands for gas release into a 24 V dc power signal to the valve inside the ESGU Converts pressure signals from the ESGU into a format that can be monitored on the network Provides operational status information locally through LED light indicators Local controls for the release of gas Optional uninterruptible power supply (UPS), with enough capacity to keep the unit operational for at least 8 hours Housed in an IP66 rated (dust and water resistant) steel unit SG-EL-SC MASTER CONTROLLER MineARC s Master Controller provides a fully comprehensive stench gas network solution. The touch screen Human Machine Interface (HMI) provides an intuitive, easy to use method of remotely monitoring and activating your mine site s entire electric stench gas system. The unit is pre-programmed by MineARC Engineers to be used as a plug-and-play solution, removing any need for lengthy on-site software configuration and system integration. It is housed within an IP66 rated stainless steel unit. The master controller constantly monitors your entire network, providing you with real-time system data. Intuitive graphic display, via a 9" high resolution touch screen Data logging System diagnostics and network monitoring Zoned stench gas unit control Pressure and valve status System activation and deactivation OPTIONS SG-EL-MC Stench Gas Mounting Frame UPS Battery Box Ideal for locations requiring the installation of multiple stench gas units. Easy installation in unevenly walled mine tunnels Transportation lugs for easy transport Stable base can be fixed directly onto a cement pad Fully sealed, water resistant housing Maintenance-free design 8 hour UPS battery back up SG-EL-UPS SG-MOUNT 7

Electric Standard Features TOUCH SCREEN INTERFACE 9" high resolution screen 800x840 pixel Graphic display STEEL HOUSING IP66 rating POWER SUPPLY Input range 85-277 V ac

8 Electric Standard Features TOUCH SCREEN INTERFACE 9" high resolution screen 800x840 pixel Graphic display STEEL HOUSING IP66 rating POWER SUPPLY Input range V ac Output 120W -25 C to 70 C OPTIONAL: MOUNTING FRAME Transportation lugs 480mmW x 450mmD x 1835mmH OPTIONAL: UPS BATTERY BOX Max output 24 A -25 C to 70 C 8 MineARC Systems

STEEL HOUSING IP66 rating GAS RELEASE VALVE - MANUAL OVERRIDE LED LIGHT INDICATION PRESSURE GAUGE 500 psi REFLECTIVE SIGNAGE TOGGLE SWITCH FOR MANUAL GAS RELEASE POWER SUPPLY Input range 85-277 V ac

9 STEEL HOUSING IP66 rating GAS RELEASE VALVE - MANUAL OVERRIDE LED LIGHT INDICATION PRESSURE GAUGE 500 psi REFLECTIVE SIGNAGE TOGGLE SWITCH FOR MANUAL GAS RELEASE POWER SUPPLY Input range V ac Output 120W -25 C to 70 C TWIN GAS CYLINDERS 1L cylinders 100g Ethyl Mercaptan & R134A Propellant Non-flammable NOT PICTURED: PRESSURE SENSOR psi Signal 4 to 20 ma Loop voltage 9 to 36 V dc ACTUATOR 24 V dc OPTIONAL: UPS BATTERY BOX 8 hr power supply -25 C to 70 C 9

10 Post-Alarm Units MineARC offers a selection of post-emergency units to compliment the stench gas system. The range consists of anti-stench, an effective stench gas neutralising agent, and wintergreen, an all-clear signal. Available in both manual and electric configurations, the units can plug directly into a MineARC Sub-Controller for remote activation and monitoring if required. SG-M-AS ANTI-STENCH GAS UNIT Anti-stench works as a chemical neutraliser, counteracting the pungent odour of Ethyl Mercaptan. It is recommended that following stench gas activation, all ventilation lines are flushed with MineARC Anti-Stench, in order to neutralise the active scent component of the chemical. Available in both electric and manual models Dispersion line venting 10m (33ft) from your location Two 1L anti-stench cylinders Steel housing with reflective signage and viewing window Blue powder coating for easy identification in low light conditions Pressure gauge to indicate gas levels Stainless steel pipe work and valving Tamper proof tags Mounting brackets with slotted holes Gas release valves for manual activation WINTERGREEN GAS UNIT Wintergreen is intended as an 'all clear' signal, to be used following an emergency to indicate that it is safe to commence production. A pleasant aromatic scent, MineARC Wintergreen 1L cylinders contain 100g of Wintergreen Oil and R134A propellant. Available in both electric and manual models Dispersion line venting 10m (33ft) from your location Two 1L wintergreen cylinders (100g wintergreen oil and R134A propellant) Steel housing with reflective signage and viewing window Green powder coating for easy identification in low light conditions Pressure gauge to indicate gas levels Stainless steel pipe work and valving Tamper proof tags Mounting brackets with slotted holes Gas release valves for manual activation 10 MineARC Systems

11 Possible Configurations MineARC's Electric Stench Gas System can be installed in a range of configurations. Each sub-controller module can communicate with up to two stench, anti-stench or wintergreen units, allowing a variety of arrangements for any requirement. Ethernet connectivity

MineARC Systems HEAD OFFICE MineARC AUSTRALIA 274 Welshpool Road, Perth Australia 6106 ph: +61 (8) 9333 4966 fax: +61 (8) 9333 4900 email: info@minearc.com.au MineARC NORTH AMERICA 4850 W.

El Salto N 4001 oficina 142 A, Piso 14 Comuna de Huechuraba Santiago, Chile ph: +56 2 29644290 fax: +56 2 29644291 email: info@minearc.

12 MineARC Systems HEAD OFFICE MineARC AUSTRALIA 274 Welshpool Road, Perth Australia 6106 ph: +61 (8) fax: +61 (8) MineARC NORTH AMERICA 4850 W. Ledbetter Drive Dallas Texas USA ph: +1 (214) fax: +1 (214) MineARC SOUTH AMERICA Avda. El Salto N 4001 oficina 142 A, Piso 14 Comuna de Huechuraba Santiago, Chile ph: fax: info@minearc.com MineARC AFRICA Stand 205, Flaming Rock Rd, Northlands Business Park, 29 Newmarket Street, North Riding, Johannesburg, South Africa ph: +27 (0) fax: +27 (0) info@minearc.co.za MineARC CHINA Room 1217, Tower D, ULO Park, Wangjing, Chaoyang District, Beijing , China ph: fax: info@minearc.com.au SCAN TO REQUEST A QUOTE The world's leading manufacturer of emergency life-saving refuge Emergency refuge chambers and auxiliary mining products

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